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Abstract A hierarchical micro/nanostructure with high roughness and a chemical composition with hydrophobicity are both crucial for preparing superamphiphobic substrates with non-wetting and self-cleaning properties. Herein, fluoroalkyl-functionalized silica nanoparticle (F-SiNP)… Click to show full abstract
Abstract A hierarchical micro/nanostructure with high roughness and a chemical composition with hydrophobicity are both crucial for preparing superamphiphobic substrates with non-wetting and self-cleaning properties. Herein, fluoroalkyl-functionalized silica nanoparticle (F-SiNP) was prepared as a raspberry-like micro/nanostructure. The superamphiphobicity and non-wetting properties of F-SiNP/glass were tested with 4 Newtonian fluids and 2 non-Newtonian fluids. The contact angle of test liquids was almost 180°, and the washing stability sustained during 200 times washing. In addition, the surface free energy of F-SiNP/glass calculated using Owens and Wendt method showed very low, compared to bare glass, revealing the superamphiphobicity feature of F-SiNP/glass.
Journal Title: Materials Letters
Year Published: 2018
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